![Sheep in portable accumulation chambers (PACs).](http://static.sciencelearn.org.nz/images/images/000/004/740/full/RD16_ART_02_LowMethaneSheep_PAC_chambers.jpg?1674175608)
Sheep in portable accumulation chambers (PACs). The PAC uses a gas analyser measuring device to determine the methane emissions from the sheep.
Sheep in portable accumulation chambers (PACs). The PAC uses a gas analyser measuring device to determine the methane emissions from the sheep.